Question

Which of the following statements are the functions of a medullary ray in plants?
(i) storage of food
(ii) secondary growth
(iii) transmission of water
(iv) Place of origin of inter-fascicular cambium

• A. i, ii and iii
• B. i, iii and iv
• C. ii, iii and iv
• D. All of the above are correct

Answer 1

Answer: (D)

All of the above are correct

Medullary rays are the vertical plates of parenchyma cells running parallel through the cylinder of vascular tissues. Its functions are:-

• Radial conduction of water, minerals, and other organic substances.
• Food storage.
• Deposition of tannins, crystals.
• Gaseous exchange through the intercellular spaces.
• Helps in secondary growth
• Interfascicular cambium origin.
• So the correct option is 'All of the above are correct'.